研究生: |
汪泰宏 Tai-Hung Wang |
---|---|
論文名稱: |
市電併聯型太陽能微型換流器之串疊式電路架構 A Cascode-Circuit Configuration for Grid-Tied Solar Micro-Inverters |
指導教授: |
邱煌仁
Huang-Jen Chiu 謝耀慶 Yao-Ching Hsieh |
口試委員: |
林長華
Chang-Hua Lin 楊宗銘 Chung-Ming Young 王見銘 Chien-Ming Wang |
學位類別: |
博士 Doctor |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2015 |
畢業學年度: | 103 |
語文別: | 中文 |
論文頁數: | 107 |
中文關鍵詞: | 數位訊號處理器 、串疊式微型換流器 、最大功率追蹤 、單級功率轉換 |
外文關鍵詞: | DSP-based, cascode-micro-inverter, maximum power point tracking, single-stage power conversion |
相關次數: | 點閱:427 下載:6 |
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本論文提出了一種建構於數位訊號處理器控制的市電併聯太陽能串疊式微型換流器。一般的串疊式換流器使用多階疊加高電壓輸出,這種換流器直接藉著在數個開關元件來串疊。本論文提出市電併聯型的串疊控制交流模組,其中每個太陽能換流器都具備最大功率點追蹤功能,且透過換流器串疊的電路架構直接併聯到交流市電,為了要使換流器達到模組化的目的,每一組換流器使用單相單極性全橋開關切換。由於是單級性的電力轉換,所以系統複雜性低、轉換效率非常高、最大功率點追蹤精確度高和低諧波失真。一個300瓦原型系統的模擬及實驗,驗證本論文所提出的電路架構是可行性的。
This dissertation presents the design and implementation of a DSP-based grid-tied solar cascode-micro-inverter. General cascode-inverter architecture is mainly used in multi-stage high-voltage output. The general inverter is used connected directly by several of switching elements in cascode mode. This dissertation presents a grid-tied controlled cascode AC module. The proposed solar inverter with maximum power point tracking (MPPT) function is connected with the AC grid by a cascode-circuit configuration. In order to make inverter achieve the purpose of modular, each inverter uses the unipolar switching for single-phase full-bridge inverter. Using the proposed single-stage power conversion configuration, low system complexity, high conversion efficiency, high MPPT accuracy and low harmonic distortion can be achieved. The simulation and experimental results of a 300 W prototype system were shown to verify the feasibility of the proposed configuration.
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